| Company | Timeline | Status | |
| Donelec Group Limited Director • Unreported | 1 Apr 2003←22 Years→Current | Active | |
| Don Electronics Limited Director • Unreported | 5 Feb 1998←27 Years→Current | Active | |
| WM. Don Limited Director • Unreported | 30 Sep 1992←33 Years→Current | Active | |
| Don Controls Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
